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The (for Mac) tip of using Cmd-Shift Click to get rid of selections was great, but it says to do it via keyboard, use Ctrl-Shift-Up, which just triggers Expose is slow motion. 

This was because I Ctrl-Up (and down) were already hotkeyed to Expose (er, "Mission Control" on Lion) on my Mac, and holding Shift during that Expose animation causes it to do it in slow motion.

I just wanted to point this out, because I think that hotkey was set by default (I'm 99% sure I didn't set it to be that), so if you're experiencing this problem on a Mac, take a look at your Expose/Mission Control settings!